radeonsi: silence a Coverity warning

[mesa.git] / src / gallium / drivers / radeonsi / si_descriptors.c

diff --git a/src/gallium/drivers/radeonsi/si_descriptors.c b/src/gallium/drivers/radeonsi/si_descriptors.c
index 8d3454194dd23396398af5d88b11e5525c2d126a..c92a6575ede4b613fe2b2fe58305b3441d4f503d 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_descriptors.c
+++ b/src/gallium/drivers/radeonsi/si_descriptors.c
@@ -1626,25 +1626,15 @@ static void si_reset_buffer_resources(struct si_context *sctx,
        }
 }
 
-/* Reallocate a buffer a update all resource bindings where the buffer is
- * bound.
- *
- * This is used to avoid CPU-GPU synchronizations, because it makes the buffer
- * idle by discarding its contents. Apps usually tell us when to do this using
- * map_buffer flags, for example.
- */
-static void si_invalidate_buffer(struct pipe_context *ctx, struct pipe_resource *buf)
+static void si_rebind_buffer(struct pipe_context *ctx, struct pipe_resource *buf,
+                            uint64_t old_va)
 {
        struct si_context *sctx = (struct si_context*)ctx;
        struct r600_resource *rbuffer = r600_resource(buf);
        unsigned i, shader;
-       uint64_t old_va = rbuffer->gpu_address;
        unsigned num_elems = sctx->vertex_elements ?
                                       sctx->vertex_elements->count : 0;
 
-       /* Reallocate the buffer in the same pipe_resource. */
-       r600_alloc_resource(&sctx->screen->b, rbuffer);
-
        /* We changed the buffer, now we need to bind it where the old one
         * was bound. This consists of 2 things:
         *   1) Updating the resource descriptor and dirtying it.
@@ -1772,6 +1762,25 @@ static void si_invalidate_buffer(struct pipe_context *ctx, struct pipe_resource
        }
 }
 
+/* Reallocate a buffer a update all resource bindings where the buffer is
+ * bound.
+ *
+ * This is used to avoid CPU-GPU synchronizations, because it makes the buffer
+ * idle by discarding its contents. Apps usually tell us when to do this using
+ * map_buffer flags, for example.
+ */
+static void si_invalidate_buffer(struct pipe_context *ctx, struct pipe_resource *buf)
+{
+       struct si_context *sctx = (struct si_context*)ctx;
+       struct r600_resource *rbuffer = r600_resource(buf);
+       uint64_t old_va = rbuffer->gpu_address;
+
+       /* Reallocate the buffer in the same pipe_resource. */
+       r600_alloc_resource(&sctx->screen->b, rbuffer);
+
+       si_rebind_buffer(ctx, buf, old_va);
+}
+
 /* Update mutable image descriptor fields of all bound textures. */
 void si_update_all_texture_descriptors(struct si_context *sctx)
 {
@@ -2067,6 +2076,7 @@ void si_init_all_descriptors(struct si_context *sctx)
        sctx->b.b.set_sampler_views = si_set_sampler_views;
        sctx->b.b.set_stream_output_targets = si_set_streamout_targets;
        sctx->b.invalidate_buffer = si_invalidate_buffer;
+       sctx->b.rebind_buffer = si_rebind_buffer;
 
        /* Shader user data. */
        si_init_atom(sctx, &sctx->shader_userdata.atom, &sctx->atoms.s.shader_userdata,